Home / 2,217.64-3,038.18-2,134.60

Finding the Fourth Proportional to 2,217.64, 3,038.18 and 2,134.60

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Solution

The fourth proportional to 2,217.64, 3,038.18 and 2,134.60 is: 2,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.64 : 3,038.18 = 2,134.60 : x
  2. Step 2: Convert to fraction form
    2,217.64/3,038.18 = 2,134.60/x
  3. Step 3: Cross multiply
    2,217.64x = 3,038.18 × 2,134.60
  4. Step 4: Simplify right side
    2,217.64x = 6,485,299.03
  5. Step 5: Solve for x
    x = 6,485,299.03/2,217.64
  6. Step 6: Final answer
    x = 2,924.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.